Confinement Factors and Gain in Optical Amplifiers.

T.D. Visser; H. Blok; B. Demeulenaere; D. Lenstra

doi:10.1109/3.631280

Confinement Factors and Gain in Optical Amplifiers.

T.D. Visser, H. Blok, B. Demeulenaere, D. Lenstra

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

A new identity is derived which relates the gain and the field distribution (or confinement factor) in a dielectric waveguide with complex refractive indices. This identity is valid for any guided mode of waveguides with an arbitrary cross section. It provides a new check of the accuracy of mode solvers. Also, it can be used in a variational approach to predict the gain or loss of a guided mode based on knowledge of confinement factors. It is shown that a previous analysis that is often used, is not correct. In addition, approximate expressions for the gain in slab waveguides are presented.

Original language	English
Pages (from-to)	1763-1766
Journal	IEEE Journal of Quantum Electronics
Volume	33
DOIs	https://doi.org/10.1109/3.631280
Publication status	Published - 1997

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title = "Confinement Factors and Gain in Optical Amplifiers.",

abstract = "A new identity is derived which relates the gain and the field distribution (or confinement factor) in a dielectric waveguide with complex refractive indices. This identity is valid for any guided mode of waveguides with an arbitrary cross section. It provides a new check of the accuracy of mode solvers. Also, it can be used in a variational approach to predict the gain or loss of a guided mode based on knowledge of confinement factors. It is shown that a previous analysis that is often used, is not correct. In addition, approximate expressions for the gain in slab waveguides are presented.",

author = "T.D. Visser and H. Blok and B. Demeulenaere and D. Lenstra",

year = "1997",

doi = "10.1109/3.631280",

language = "English",

volume = "33",

pages = "1763--1766",

journal = "IEEE Journal of Quantum Electronics",

issn = "0018-9197",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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T1 - Confinement Factors and Gain in Optical Amplifiers.

AU - Visser, T.D.

AU - Blok, H.

AU - Demeulenaere, B.

AU - Lenstra, D.

PY - 1997

Y1 - 1997

N2 - A new identity is derived which relates the gain and the field distribution (or confinement factor) in a dielectric waveguide with complex refractive indices. This identity is valid for any guided mode of waveguides with an arbitrary cross section. It provides a new check of the accuracy of mode solvers. Also, it can be used in a variational approach to predict the gain or loss of a guided mode based on knowledge of confinement factors. It is shown that a previous analysis that is often used, is not correct. In addition, approximate expressions for the gain in slab waveguides are presented.

AB - A new identity is derived which relates the gain and the field distribution (or confinement factor) in a dielectric waveguide with complex refractive indices. This identity is valid for any guided mode of waveguides with an arbitrary cross section. It provides a new check of the accuracy of mode solvers. Also, it can be used in a variational approach to predict the gain or loss of a guided mode based on knowledge of confinement factors. It is shown that a previous analysis that is often used, is not correct. In addition, approximate expressions for the gain in slab waveguides are presented.

U2 - 10.1109/3.631280

DO - 10.1109/3.631280

M3 - Article

VL - 33

SP - 1763

EP - 1766

JO - IEEE Journal of Quantum Electronics

JF - IEEE Journal of Quantum Electronics

SN - 0018-9197

ER -

Confinement Factors and Gain in Optical Amplifiers.

Abstract

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